Exit your vehicle, then press [Shift] while walking.
Extra money
Buy the Cyclop Hood replacement for $200 in a shop and let it be installed for $25. Look in the inventory and sell it back to shop. The shop owner will give you $972 for it. Also, the second hand Cyclop Hood replacement will make more money then it costs.
Cheat Codes
Start the game with the "launcher.exe -cheats" command line. Then, enter one of the following codes to activate the corresponding cheat function: